Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11261701 | Shifting tool and associated methods for operating downhole valves | Todd A. WEIRMEIR, Andrew J. Hanson | 2022-03-01 |
| 9909390 | Stage tool with lower tubing isolation | Bryce McNabb, Jozeph Robert Marcin, Andrew J. Hanson, James A. MacTavish | 2018-03-06 |